flow update

lib/pages/flow/active_flow_page.dart

@@ -56,7 +56,7 @@ class _ActiveFlowPageState extends State<ActiveFlowPage> {
                   ),
                 );
 
-                if (confirm) {
+                if (confirm ?? false) {
                   await API
                       .API()
                       .endFlow(widget.flow.id)

lib/pages/flow/create_flow_page.dart

@@ -65,26 +65,40 @@ class _CreateFlowPageState extends State<CreateFlowPage> {
     });
   }
 
-  Widget buildInputSelection(BuildContext context) {
+  List<Widget> buildInputSelection(BuildContext context) {
-    return Column(
+    if (widget.info.depends.isEmpty) {
-        children: widget.info.depends.map((x) {
+      return [];
-      return ElevatedButton(
+    }
-          onPressed: () {
+
-            selectDependItems(context, x);
+    return [
-          },
+      Column(
-          child: Text("Add $x"));
+          children: widget.info.depends.map((x) {
-    }).toList());
+        return ElevatedButton(
+            onPressed: () {
+              selectDependItems(context, x);
+            },
+            child: Text("Add $x"));
+      }).toList()),
+      const Divider(),
+    ];
   }
 
   Widget flowContinuation() {
     return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
       children: [
         Card(
-          child: Text(widget.previousFlow!.kind),
+          child: Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Text(widget.previousFlow!.kind),
+          ),
         ),
-        const Text(" -> "),
+        Card(child: Icon(Icons.arrow_right)),
         Card(
-          child: Text(widget.info.name),
+          child: Padding(
+            padding: const EdgeInsets.all(8.0),
+            child: Text(widget.info.name),
+          ),
         )
       ],
     );
@@ -93,15 +107,17 @@ class _CreateFlowPageState extends State<CreateFlowPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: AppBar(title: Text("Create new ${widget.info.name} Flow")),
+      appBar: AppBar(
+          title: Text(widget.previousFlow != null
+              ? "Continue to ${widget.previousFlow!.kind}"
+              : "Create new ${widget.info.name} Flow")),
       body: Column(
         children: [
           if (widget.previousFlow != null) ...[
             flowContinuation(),
             const Divider()
           ],
-          buildInputSelection(context),
+          ...buildInputSelection(context),
-          const Divider(),
           Card(
               child: Column(
                   children: depends